Home / 30,100.81-41,535.03-16,668.76

Finding the Fourth Proportional to 30,100.81, 41,535.03 and 16,668.76

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Solution

The fourth proportional to 30,100.81, 41,535.03 and 16,668.76 is: 23,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.81 : 41,535.03 = 16,668.76 : x
  2. Step 2: Convert to fraction form
    30,100.81/41,535.03 = 16,668.76/x
  3. Step 3: Cross multiply
    30,100.81x = 41,535.03 × 16,668.76
  4. Step 4: Simplify right side
    30,100.81x = 692,337,446.66
  5. Step 5: Solve for x
    x = 692,337,446.66/30,100.81
  6. Step 6: Final answer
    x = 23,000.63

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.